CHROMABOND® HR-XAW

128,34
SPE-polypropylene columns
Weakly basic secondary and tertiary ammonium polymeric anion exchanger (mixed mode)
  • Base material: Spherical polystyrene-divinylbenzene-copolymer
  • Pore size: 55-65 Å
  • Particle size: 85 µm
  • Very large specific surface: 850 m2/g
  • Pore volume: 1.2-1.4 cm3/g
  • pH stability: 1-14
  • Exchange capacity: >0.5 meq/g
  • RP capacity: 350 mg/g (caffeine in water)
  • High-purity material, highest reproducibility and lowest blank values due to an optimised production process
  • Outstanding recovery rates especially for the enrichment of basic analytes
Recommended application:
  • Perfluorinated surfactants
  • Acidic compounds like sulfonates
  • Acidic active ingredients from strongly matrix-contaminated samples like e.g. urine, plasma, serum
  • Strong acids with pKa <1
OptieVolume (ml)  Adsorbent weight (mg)  Verp. (stuks)  
13  60  30  
23  200  30  
33  500  30